3 years ago

If 4x-5y=6 and xy=8 then find the value of 16x^2+25y^2

Mathematics

1 answer:

Anit [1.1K]3 years ago

6 0

Answer:

Hello,

356

Step-by-step explanation:

$4x-5y=6\\xy=8\\\\(4x-5y)^2=16x^2+25y^2-40xy\\\\\\16x^2+25y^2=(4x-5y)^2+40xy=6^2+40*8=356\\$

You might be interested in

Find m<_6 if m<_8=120 degrees (show work if possible).

shepuryov [24]

Answer:

Step-by-step explanation:

i h you h we all h ya know

3 0

3 years ago

the present age of the father is twice HD old is the age of its own three years hence if two years hence the age of the father w

NemiM [27]

Big sundi and more bigger with spice

6 0

3 years ago

I need help trying to do this

GREYUIT [131]

Answer:

me likey points ❤️❤️❤️

5 0

3 years ago

WhAt is the answer to -12 - 3=-51

svet-max [94.6K]

Greetings!

Simplify both sides of the equation.
$-12 - 3=-51$
$-15 \neq -51$

Both sides of the equation are not equal.

Hope this helps.
-Benjamin

7 0

4 years ago

A pipe is leaking at the rate of 32 fluid ounces per minute. Use dimensional analysis to find out how many gallons the pipe is l

lianna [129]

well first think about it, 60 min in an hour, so 32 fluid ounces times 60 = 1920 fluid ounces, from there you can convert fluid ounces to practically anything, for instance, 1920 fluid ounces = 24 cups.

go to this address to find out more.

https://www.google.com/search?q=another+name+for+observations&rls=com.microsoft:en-US:IE-Address&ie=...

4 0

3 years ago

Read 2 more answers

If 4x-5y=6 and xy=8 then find the value of 16x^2+25y^2​

If 4x-5y=6 and xy=8 then find the value of 16x^2+25y^2